A Texas Department of Public Safety trooper remains hospitalized while recovering from being shot during a Dallas-area traffic stop that led to 15-hour standoff and a suspect arrested.

DPS Staff Lt. Lonny Haschel (HASH’-uhl) says the injured trooper was in good spirits Sunday. Haschel declined to release further details about the trooper wounded Friday afternoon.

A suspect was arrested Saturday at an apartment complex in Frisco, 25 miles (40.23 kilometers) north of Dallas. Officials say 42-year-old Bryan M. Cahill faces a charge of aggravated assault on a public servant.

Haschel on Saturday said Cahill was taken to a hospital for treatment of serious injuries and was in the custody of the Collin County Sheriff’s Office. Sheriff’s officials Sunday didn’t immediately return messages on Cahill’s status.

Texas Rangers are investigating.